Yes, both GetResponse and ConvertKit offer a Free Trial.
GetResponse is designed for Large Enterprises, Medium Business and Small Business.
ConvertKit is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of GetResponse begins at $15.58/Month when Billed Yearly, while pricing details for ConvertKit are unavailable.
Some top alternatives to GetResponse includes Campaigner, Moosend, SMTP, ActiveCampaign, Omnisend, Constant Contact, MailChimp, Campaign Monitor, MailerLite, AWeber, ConvertKit, Elite Campaign, ClickFunnels, FlyerFunnel, SendFox and CloudFunnels.
Some top alternatives to ConvertKit includes Campaigner, Moosend and SMTP.